Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran hanh na snippets" » "tran thanh na snippets", "tran manh na snippets", "tran anh na snippets", "tran hanh nam snippets", "tran hanh nha snippets", "tran hanh va snippets", "tran hanh na slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tran hanh na snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hanh na snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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